Okay, I got it to go through on my laptop at home. Here's the deal - their encrypted check-out page is an app and all of the payment fields were blank on my work desktop, so I could not see the fields to put in the numbers, exp., etc., so when I tried to hit "submit" the app thought I was a suspicious user and cancelled everything out.
I could barely see the fields on my laptop screen, and when I typed the information in the data was so dimmed out I had to squint at it. But it went through, I got immediate access and a payment confirmation. Sheesh
I'm going to have to buckle and get a smart phone just to buy videos! This will be the thing that pushes me over the edge.
Haven't tried any yet - looking forward to them.